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  • INA303: INA303 IC Exhibiting Unpredictable Behavior: Latching, Output Inconsistency, and Recovery Failure in Transparent Mode

    TI Thinks Resolved
    Part Number: INA303 We are experiencing inconsistent and unpredictable behavior with the INA303 IC in our design. Under normal operating conditions, the device does not behave as expected based on the datasheet specifications. Key observations include…

  • INA303: Functional Safety documentation

    TI Thinks Resolved
    Part Number: INA303 Hi, My team and I are looking for functional safety documentation- Failure rates, Failure modes and their fractional distribution for the the part number: INA303A2QPWRQ1
    • Answered

  • INA303: Floating differential input

    Resolved
    Part Number: INA303 Greetings, I plan to use the INA303A1 in an AFE design. Since its common-mode voltage rating is 36 V and my application requires sensing across a 72 V range, is it possible to leave the shunt resistor floating (not tied to the AFE…
    • Resolved

  • INA303-Q1: Facing issues in latch mode.

    Part Number: INA303-Q1 Other Parts Discussed in Thread: INA303 Tool/software: Dear Texas Instruments Support Team, I am using the INA303 as a window comparator in a BMS application to monitor current sensing and short-circuit detection. We are facing…

  • INA303: Current sensing amplifier choice

    TI Thinks Resolved
    Part Number: INA303 Other Parts Discussed in Thread: OPA835 , , DRV8311 , INA301 , INA181 Tool/software: I'm trying to muddle my way through my first design with a motor driver that includes current sensing. This is for a battery-powered device, operating…
    • Answered

  • INA303-Q1: Spice model of TPS38A010122DSK*Q1

    Resolved
    Tool/software: Dear TI Support Team, Could you please provide the SPICE model for INA303A2QPW*Q1 Our project requires it for accurate simulation. Thank you. Best regards, AARAB wiam
    • Resolved

  • INA303: The floating voltage on IN+ and IN_ Pin

    Answer Suggested
    Part Number: INA303 Tool/software: Hi team, In the below sch, let the IN+ and IN- floating (remove R76 and R80), there will be a 1.8V voltage to GND be measured by multimeter on these 2 Pins, that is, measured on the left side of R76 and the left side…

  • INA303-Q1: delay function

    TI Thinks Resolved
    Part Number: INA303-Q1 Tool/software: Hi Expert, Regarding to the delay function of second comparator, I don't quite follow how delay work. For example, the delay time is set to 2ms, Vlimit2 is about 3.5V. If there have a 4V/1.5ms voltage pulse on…
    • Answered

  • INA303: Upper limit exceeds typical Hysteresis

    Resolved
    Part Number: INA303 We used VREF = 0, VS = 3.3 V, VIN+ = 24 V, ILIMIT1 = 600mA, and ILIMIT2 = 90mA, as our design constraints. Hence we provided RLIMIT1=3K and RLIMIT2= 470R.During our testing, the hysteresis of comparator 2 is observed to be around…
    • Resolved
    • Answered

  • INA303: INA303--Common-mode voltage is a bit small，How to improve the design scheme

    Resolved
    Part Number: INA303 Other Parts Discussed in Thread: INA138 1、It mainly does DC sampling, the front stage is a sampling resistor, and then detected by INA303, but the common mode voltage of INA303 is a little small, only 36V, the common mode voltage of…
    • Resolved

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